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+/*
+ *  Copyright (C) 2010  Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+ *
+ *  This file is part of PSĜS, a PubSub server written in JavaScript.
+ *
+ *  PSĜS is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License.
+ *
+ *  PSĜS is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with PSĜS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+var errors = exports;
+
+errors.success = true;
+errors.feature_not_implemented = {n: 1, type: 'cancel', error: 'feature-not-implemented'};
+errors.node_does_not_exist = {n: 2, type: 'cancel', error: 'item-not-found'};
+errors.bad_request = {n: 3, type: 'modify', error: 'bad-request'};
+errors.nodeid_required = {n: 4, type: 'modify', error: 'bad-request', reason: 'nodeid-required'};
+errors.itemid_required = {n: 5, type: 'modify', error: 'bad-request', reason: 'item-required'},
+errors.forbidden = {n: 6, type: 'auth', error: 'forbidden'};
+errors.subscriptions_retrieval_not_supported = {n: 23, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'retrieve-subscriptions'};
+errors.affiliations_retrieval_not_supported = {n: 29, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'retrieve-affiliations'};
+
+errors.sub = {
+	subscribe: {
+		jids_do_not_match: {n: 34, type: 'modify', error: 'bad-request', reason: 'invalid-jid'},
+		presence_subscription_required: {n: 35, type: 'auth', error: 'not-authorized', reason: 'presence-subscription-required'},
+		not_in_roster_group: {n: 36, type: 'auth', error: 'not-authorized', reason: 'not-in-roster-group'},
+		not_on_whitelist: {n: 37, type: 'cancel', error: 'not-allowed', reason: 'closed-node'},
+		payment_required: {n: 38, type: 'auth', error: 'payment-required'},
+		anonymous_subscriptions_not_allowed: {n: 39, type: 'cancel', error: 'forbidden'},
+		subscription_pending: {n: 40, type: 'auth', error: 'not-authorized', reason: 'pending-subscription'},
+		blocked: {n: 41, type: 'auth', error: 'forbidden'},
+		too_many_subscriptions: {n: 42, type: 'wait', error: 'policy-violation', reason: 'too-many-subscriptions'},
+		not_supported: {n: 43, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'subscribe'},
+		node_has_moved: {n: 44, type: 'modify', error: 'gone', text: true},
+		node_does_not_exist: {n: 45, type: 'cancel', error: 'item-not-found'},
+		configuration_required: {n: 48, type: 'modify', error: 'not-acceptable', reason: 'configuration-required'},
+	},
+	unsubscribe: {
+		no_subscription_id: {n: 53, type: 'modify', error: 'bad-request', reason: 'subid-required'},
+		no_such_subscriber: {n: 54, type: 'cancel', error: 'unexpected-request', reason: 'not-subscribed'},
+		insufficient_privileges: {n: 55, type: 'auth', error: 'forbidden'},
+		node_does_not_exist: {n: 56, type: 'cancel', error: 'item-not-found'},
+		bad_subscription_id: {n: 57, type: 'modify', error: 'not-acceptable', reason: 'invalid-subid'},
+	},
+	configure: {
+		insufficient_privileges: {n: 61, type: 'auth', error: 'forbidden'},
+		no_such_subscriber: {n: 62, type: 'modify', error: 'unexpected-request', reason: 'not-subscribed'},
+		subscriber_jid_required: {n: 63, type: 'modify', error: 'bad-request', reason: 'jid-required'},
+		subscription_id_required: {n: 64, type: 'modify', error: 'bad-request', reason: 'subid-required'},
+		invalid_subscription_id: {n: 65, type: 'modify', error: 'not-acceptable', reason: 'invalid-subid'},
+		subscription_options_not_supported: {n: 66, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'subscription-options'},
+		node_does_not_exist: {n: 67, type: 'cancel', error: 'item-not-found'},
+		form_processing_failure: {n: 70, type: 'modify', error: 'bad-request', reason: 'invalid-options'},
+	},
+	default_options: {
+		node_configuration_not_supported: {n: 76, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'subscription-options'},
+		default_subscription_configuration_retrieval_not_supported: {n: 77, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'retrieve-default-sub'},
+	},
+	retrieve: {
+		subscription_id_required: {n: 87, type: 'modify', error: 'bad-request', reason: 'subid-required'},
+		invalid_subscription_id: {n: 88, type: 'modify', error: 'not-acceptable', reason: 'invalid-subid xmlns'},
+		entity_not_subscribed: {n: 89, type: 'auth', error: 'not-authorized', reason: 'not-subscribed'},
+		persistent_items_not_supported: {n: 90, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'persistent-items'},
+		item_retrieval_not_supported: {n: 91, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'retrieve-items'},
+		presence_subscription_required: {n: 92, type: 'auth', error: 'not-authorized', reason: 'presence-subscription-required'},
+		not_in_roster_group: {n: 93, type: 'auth', error: 'not-authorized', reason: 'not-in-roster-group'},
+		not_on_whitelist: {n: 94, type: 'cancel', error: 'not-allowed', reason: 'closed-node'},
+		payment_required: {n: 95, type: 'auth', error: 'payment-required'},
+		blocked: {n: 96, type: 'auth', error: 'forbidden'},
+		node_does_not_exist: {n: 97, type: 'cancel', error: 'item-not-found'},
+	},
+};
+
+errors.pub = {
+	publish: {
+		insufficient_privileges: {n: 105, type: 'auth', error: 'forbidden'},
+		item_publication_not_supported: {n: 106, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'publish'},
+		node_does_not_exist: {n: 107, type: 'cancel', error: 'item-not-found'},
+		payload_too_big: {n: 108, type: 'modify', error: 'not-acceptable', reason: 'payload-too-big'},
+		bad_payload: {n: 109, type: 'modify', error: 'bad-request', reason: 'invalid-payload'},
+	},
+	configuration: {
+		no_item: {n: 110, type: 'modify', error: 'bad-request', reason: 'item-required'},
+		no_payload: {n: 111, type: 'modify', error: 'bad-request', reason: 'payload-required'},
+		transient_item: {n: 112, type: 'modify', error: 'bad-request', reason: 'item-forbidden'},
+		precondition: {n: 113, type: 'modify', error: 'conflict', reason: 'precondition-not-met'},
+
+	},
+	retract: {
+		insufficient_privileges: {n: 118, type: 'auth', error: 'forbidden'},
+		node_does_not_exist: {n: 119, type: 'cancel', error: 'item-not-found'},
+		nodeid_required: {n: 120, type: 'modify', error: 'bad-request', reason: 'nodeid-required'},
+		item_or_itemid_required: {n: 121, type: 'modify', error: 'bad-request', reason: 'item-required'},
+		persistent_items_not_supported: {n: 122, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'persistent-items'},
+		item_deletion_not_supported: {n: 123, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'delete-items'},
+	},
+};
+
+errors.owner = {
+	create: {
+		node_creation_not_supported: {n: 125, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'create-nodes'},
+		service_requires_registration: {n: 126, type: 'auth', error: 'registration-required'},
+		prohibited: {n: 127, type: 'auth', error: 'forbidden'},
+		nodeid_already_exists: {n: 128, type: 'cancel', error: 'conflict'},
+		instant_nodes_not_supported: {n: 129, type: 'modify', error: 'not-acceptable', reason: 'nodeid-required'},
+		specified_access_model_not_supported: {n: 135, type: 'modify', error: 'not-acceptable', reason: 'unsupported-access-model'},
+	},
+	configure: {
+		node_configuration_not_supported: {n: 140, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'config-node'},
+		insufficient_privileges: {n: 141, type: 'auth', error: 'forbidden'},
+		nodeid_required: {n: 142, type: 'modify', error: 'bad-request', reason: 'nodeid-required'},
+		no_configuration_options: {n: 143, type: 'cancel', error: 'not-allowed'},
+		node_does_not_exist: {n: 144, type: 'cancel', error: 'item-not-found'},
+		form_processing_failure: {n: 148, type: 'modify', error: 'not-acceptable'},
+	},
+	default_options: {
+		node_configuration_not_supported: {n: 153, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'config-node'},
+		default_node_configuration_retrieval_not_supported: {n: 154, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'retrieve-default'},
+	},
+	delete_node: {
+		insufficient_privileges: {n: 159, type: 'auth', error: 'forbidden'},
+		node_does_not_exist: {n: 160, type: 'cancel', error: 'item-not-found'},
+	},
+	purge: {
+		node_purging_not_supported: {n: 164, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'purge-nodes'},
+		insufficient_privileges: {n: 165, type: 'auth', error: 'forbidden'},
+		node_does_not_persist_items: {n: 166, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'persistent-items'},
+		node_does_not_exist: {n: 167, type: 'cancel', error: 'item-not-found'},
+	},
+	//manage_subscription_requests: {},
+	pending_subscription_requests: {
+		ad_hoc_commands_not_supported: {n: 176, type: 'cancel', error: 'service-unavailable'},
+		get_pending_not_supported: {n: 177, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'get-pending'},
+		insufficient_privileges: {n: 178, type: 'auth', error: 'forbidden'},
+		node_does_not_exist: {n: 179, type: 'cancel', error: 'item-not-found'},
+	},
+	manage_subscriptions: {
+		not_supported: {n: 184, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'manage-subscriptions'},
+		retrieve_list: {
+			entity_is_not_an_owner: {n: 185, type: 'auth', error: 'forbidden'},
+			node_does_not_exist: {n: 186, type: 'cancel', error: 'item-not-found'},
+		},
+		modify: {
+			entity_is_not_an_owner: {n: 190, type: 'auth', error: 'forbidden'},
+			node_does_not_exist: {n: 191, type: 'cancel', error: 'item-not-found'},
+			multiple_simultaneous_modifications: {n: 193, type: 'modify', error: 'not-acceptable'},
+		},
+	},
+	manage_affiliations: {
+		not_supported: {n: 197, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'modify-affiliations'},
+		retrieve_list: {
+			entity_is_not_an_owner: {n: 198, type: 'auth', error: 'forbidden'},
+			node_does_not_exist: {n: 199, type: 'cancel', error: 'item-not-found'},
+		},
+		modify: {
+			requested_affiliation_not_supported: {
+				publisher: {n: 203, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'publisher-affiliation'},
+				'publish-only': {n: 203, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'publish-only-affiliation'},
+				member: {n: 203, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'member-affiliation'},
+				outcast: {n: 203, type: 'cancel', error: 'feature-not-implemented', reason: 'unsupported', feature: 'outcast-affiliation'},
+			},
+			entity_is_not_an_owner: {n: 204, type: 'auth', error: 'forbidden'},
+			node_does_not_exist: {n: 205, type: 'cancel', error: 'item-not-found'},
+			multiple_simultaneous_modifications: {n: 207, type: 'modify', error: 'not-acceptable'},
+		},
+	},
+};
+
+errors.reverse = {};
+
+function reverseError(o) {
+	for (var i in o) {
+		if (i == 'reverse' || typeof (o[i]) == 'number');
+		else if (!o[i].n)
+			reverseError(o[i]);
+		else {
+			var k = {};
+			//var k = {name: i};
+			for (var j in o[i]) {
+				if (j != 'n')
+					k[j] = o[i][j];
+			}
+			errors.reverse[o[i].n] = k;
+		}
+	}
+}
+
+reverseError(errors);